A Toy Model For Q<sub>8</sub>

A Toy Model For Q<sub>8</sub>

The idea for this blog was dead simple. In my second blog at Science 2.0, "Quaternions for a Third Grader",  I showed of my clay and pipe cleaner model of quaternion multiplication. A few months…
Einstein's Love Letters And More Go Online

Einstein's Love Letters And More Go Online

The Hebrew University of Jerusalem, which owns Albert Einstein's papers, is pulling never-before seen items from its climate-controlled safe, photographing them in high resolution and posting them on…
Mathematics For Amphibians

Mathematics For Amphibians

One of the disappointments experienced by most mathematics students is that they never get a course in mathematics. They get courses in calculus, algebra, topology, and so on, but the division of…
Human Brain and Mind 2: More Neuroplasticity

Human Brain and Mind 2: More Neuroplasticity

For many years, it was thought that new brain cells could not develop in adulthood and that the connections between nerves were fairly static after childhood.  This was primarily because it wasn…
Progress In Fake Finger Detection

Progress In Fake Finger Detection

It may have been predictable, but shortly after the introduction of automated fingerprint recognition systems came the invention of fake fingers. As this research paper from May 2009 explains, fake…
The Move I Did Not Find

The Move I Did Not Find

There is nothing like computer-assisted post-mortem analysis of your chess games to get you back to reality about the potential of your brain: the computer sees so much more than you do, and so much…